Adapter for circuit



FIG. 1 is a perspective view of an adapter for circuit, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the adapter that form no part of the claimed design. 

CLAIM The ornamental design for an adapter for circuit, as shown. 